Pentose Phosphate Pathway (Chapter 26)

Question 1

Function of phosphopentose isomerase

Answer 1

To convert ribulose 5-phosphate into ribose 5-phosphate and vice versa

Question 2

Function of glucose 6-phosphate dehydrogenase

Answer 2

To convert glucose 6-phosphate to 6-phosphoglucono-delta-lactone

Question 3

Function of lactonase

Answer 3

To convert glucose 6-phosphate to 6-phosphoglucono-delta-lactone into 6-phosphogluconate

Question 4

Function of 6-phosphogluconate dehydrogenase

Answer 4

To convert 6-phosphogluconate into ribulose 5-phosphate

Question 5

Function of transketolase

Answer 5

Converts two pentoses into a triose and a heptose OR converts a triose and a heptose into a hexose and tetrose

Question 6

Function of transaldolase

Answer 6

Transforms a tetrose and a pentose into a hexose and a triose

Question 7

Function of phosphopentose epimerase

Answer 7

To convert ribulose 5-phosphate into xylulose 5-phosphate